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"=============================================================================
" FILE: util.vim
" AUTHOR: Shougo Matsushita <Shougo.Matsu at gmail.com>
" License: MIT license
"=============================================================================
function! deoplete#util#set_default(var, val, ...) abort
if !exists(a:var) || type({a:var}) != type(a:val)
let alternate_var = get(a:000, 0, '')
let {a:var} = exists(alternate_var) ?
\ {alternate_var} : a:val
endif
endfunction
function! deoplete#util#set_pattern(variable, keys, pattern) abort
for key in split(a:keys, '\s*,\s*')
if !has_key(a:variable, key)
let a:variable[key] = a:pattern
endif
endfor
endfunction
function! deoplete#util#get_buffer_config(
\ filetype, buffer_var, user_var, default_var, ...) abort
let default_val = get(a:000, 0, '')
if exists(a:buffer_var)
return {a:buffer_var}
endif
let filetype = !has_key({a:user_var}, a:filetype)
\ && !has_key(eval(a:default_var), a:filetype) ? '_' : a:filetype
return get({a:user_var}, filetype,
\ get(eval(a:default_var), filetype, default_val))
endfunction
function! deoplete#util#get_simple_buffer_config(buffer_var, user_var) abort
return exists(a:buffer_var) ? {a:buffer_var} : {a:user_var}
endfunction
function! deoplete#util#print_error(string) abort
echohl Error | echomsg '[deoplete] '
\ . deoplete#util#string(a:string) | echohl None
endfunction
function! deoplete#util#print_warning(string) abort
echohl WarningMsg | echomsg '[deoplete] '
\ . deoplete#util#string(a:string) | echohl None
endfunction
function! deoplete#util#print_debug(string) abort
echomsg '[deoplete] ' . deoplete#util#string(a:string)
endfunction
function! deoplete#util#convert2list(expr) abort
return type(a:expr) ==# type([]) ? a:expr : [a:expr]
endfunction
function! deoplete#util#string(expr) abort
return type(a:expr) ==# type('') ? a:expr : string(a:expr)
endfunction
function! deoplete#util#get_input(event) abort
let mode = mode()
if a:event ==# 'InsertEnter'
let mode = 'i'
endif
let input = (mode ==# 'i' ? (col('.')-1) : col('.')) >= len(getline('.')) ?
\ getline('.') :
\ matchstr(getline('.'),
\ '^.*\%' . (mode ==# 'i' ? col('.') : col('.') - 1)
\ . 'c' . (mode ==# 'i' ? '' : '.'))
if input =~# '^.\{-}\ze\S\+$'
let complete_str = matchstr(input, '\S\+$')
let input = matchstr(input, '^.\{-}\ze\S\+$')
else
let complete_str = ''
endif
if a:event ==# 'InsertCharPre'
let complete_str .= v:char
endif
return input . complete_str
endfunction
function! deoplete#util#get_next_input(event) abort
return getline('.')[len(deoplete#util#get_input(a:event)) :]
endfunction
function! deoplete#util#get_prev_event() abort
return get(g:deoplete#_context, 'event', '')
endfunction
function! deoplete#util#vimoption2python(option) abort
return '[a-zA-Z' . s:vimoption2python(a:option) . ']'
endfunction
function! deoplete#util#vimoption2python_not(option) abort
return '[^a-zA-Z' . s:vimoption2python(a:option) . ']'
endfunction
function! s:vimoption2python(option) abort
let has_dash = 0
let patterns = []
for pattern in split(a:option, ',')
if pattern ==# ''
" ,
call add(patterns, ',')
elseif pattern ==# '\'
call add(patterns, '\\')
elseif pattern ==# '-'
let has_dash = 1
elseif pattern =~# '\d\+'
call add(patterns, substitute(pattern, '\d\+',
\ '\=nr2char(submatch(0))', 'g'))
else
call add(patterns, pattern)
endif
endfor
" Dash must be last.
if has_dash
call add(patterns, '-')
endif
return join(deoplete#util#uniq(patterns), '')
endfunction
function! deoplete#util#uniq(list) abort
let list = map(copy(a:list), '[v:val, v:val]')
let i = 0
let seen = {}
while i < len(list)
let key = string(list[i][1])
if has_key(seen, key)
call remove(list, i)
else
let seen[key] = 1
let i += 1
endif
endwhile
return map(list, 'v:val[0]')
endfunction
function! deoplete#util#redir(cmd) abort
if exists('*execute')
return execute(a:cmd)
else
let [save_verbose, save_verbosefile] = [&verbose, &verbosefile]
set verbose=0 verbosefile=
redir => res
silent! execute a:cmd
redir END
let [&verbose, &verbosefile] = [save_verbose, save_verbosefile]
return res
endif
endfunction
function! deoplete#util#get_syn_names() abort
if col('$') >= 200
return []
endif
let names = []
try
" Note: synstack() seems broken in concealed text.
for id in synstack(line('.'), (mode() ==# 'i' ? col('.')-1 : col('.')))
let name = synIDattr(id, 'name')
call add(names, name)
if synIDattr(synIDtrans(id), 'name') !=# name
call add(names, synIDattr(synIDtrans(id), 'name'))
endif
endfor
catch
" Ignore error
endtry
return names
endfunction
function! deoplete#util#exists_omnifunc(name) abort
if !exists('s:called_omnifuncs')
let s:called_omnifuncs = {}
endif
if !has_key(s:called_omnifuncs, a:name)
silent! call {a:name}(1, '')
let s:called_omnifuncs[a:name] = exists('*' . a:name)
endif
return s:called_omnifuncs[a:name]
endfunction
function! deoplete#util#neovim_version() abort
redir => v
silent version
redir END
return split(v, '\n')[0]
endfunction
" Compare versions. Return values is the distance between versions. Each
" version integer (from right to left) is an ascending power of 100.
"
" Example:
" '0.1.10' is (1 * 100) + 10, or 110.
" '1.2.3' is (1 * 10000) + (2 * 100) + 3, or 10203.
"
" Returns:
" <0 if a < b
" >0 if a > b
" 0 if versions are equal.
function! deoplete#util#versioncmp(a, b) abort
let a = map(split(a:a, '\.'), 'str2nr(v:val)')
let b = map(split(a:b, '\.'), 'str2nr(v:val)')
let l = min([len(a), len(b)])
let d = 0
" Only compare the parts that are common to both versions.
for i in range(l)
let d += (a[i] - b[i]) * pow(100, l - i - 1)
endfor
return d
endfunction
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